class FunctionPass;
class Module;
class Function;
-
-/// \brief An enumeration to specify the action to be taken if errors found.
-///
-/// This enumeration is used in the functions below to indicate what should
-/// happen if the verifier finds errors. Each of the functions that uses
-/// this enumeration as an argument provides a default value for it. The
-/// actions are listed below.
-enum VerifierFailureAction {
- AbortProcessAction, ///< verifyModule will print to stderr and abort()
- PrintMessageAction, ///< verifyModule will print to stderr and return true
- ReturnStatusAction ///< verifyModule will just return true
-};
-
-/// \brief Create a verifier pass.
-///
-/// Check a module or function for validity. When the pass is used, the
-/// action indicated by the \p action argument will be used if errors are
-/// found.
-FunctionPass *
-createVerifierPass(VerifierFailureAction action = AbortProcessAction);
+class raw_ostream;
/// \brief Check a function for errors, useful for use when debugging a
/// pass.
///
/// If there are no errors, the function returns false. If an error is found,
-/// the action taken depends on the \p action parameter.
-bool verifyFunction(const Function &F,
- VerifierFailureAction action = AbortProcessAction);
+/// a message describing the error is written to OS (if non-null) and false is
+/// returned.
+bool verifyFunction(const Function &F, raw_ostream *OS = 0);
/// \brief Check a module for errors.
///
/// If there are no errors, the function returns false. If an error is found,
-/// the action taken depends on the \p action parameter.
-/// This should only be used for debugging, because it plays games with
-/// PassManagers and stuff.
-bool verifyModule(const Module &M,
- VerifierFailureAction action = AbortProcessAction,
- std::string *ErrorInfo = 0);
+/// a message describing the error is written to OS (if non-null) and false is
+/// returned.
+bool verifyModule(const Module &M, raw_ostream *OS = 0);
+
+/// \brief Create a verifier pass.
+///
+/// Check a module or function for validity. This is essentially a pass wrapped
+/// around the above verifyFunction and verifyModule routines and
+/// functionality. When the pass detects a verification error it is always
+/// printed to stderr, and by default they are fatal. You can override that by
+/// passing \c false to \p FatalErrors.
+FunctionPass *createVerifierPass(bool FatalErrors = true);
} // End llvm namespace